Dec 20 - NAM forecast for Pigeon
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  18z Text Description 21z Text Description
Thermal Updraft Velocity (fpm)
50
Unuseable
48
Unuseable
Surface Heating (W/m2)
2
More Heating, Better Thermals
8
More Heating, Better Thermals
Top of Usable Lift (MSL)
1195
-725 Feet Over Launch
1195
-725 Feet Over Launch
Thermal Tops (MSL)
2369
449 Feet Over Launch
3028
1108 Feet Over Launch
Height Variability (Feet)
2501
Thermal Tops 2501 ft higher if 4° Warmer Than Forecast
2802
Thermal Tops 2802 ft higher if 4° Warmer Than Forecast
B/S Ratio
0
No Data
0
No Data
BL Wind Speed (mph)
25
Average Speed, Ground to Thermal Tops
22
Average Speed, Ground to Thermal Tops
BL Wind Direction (°)
224
Launch at Keel
244
Launch at Keel
Cumulus Potential
671
Good Cottonball Cumulus
1349
Large Cumulus
Cumulus Base (MSL)
1698
-222 Feet Over Launch
1679
-241 Feet Over Launch
Overdevelopment Potential
441
Mild Overdevelopment Risk
924
Mild Overdevelopment Risk
Max Relative Humidity (%) 99High Values Promote Extensive Clouds 98 High Values Promote Extensive Clouds
Convective Available Potential Energy (J/kg)
289
No Storm Potential
400
Weak Storm Potential
Surface Temperature at 2 meters (° F) 62Better Soaring If Warmer 62 Better Soaring If Warmer

   RUC Data Not Yet Available
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Skew-T, Updated 0:22 AM Sun Dec 17
Visible Satellite, updated 16:15 PM Mon May 9
Visible Animated Loop
IR Satellite, updated 16:00 PM Mon May 9
IR Animated Loop

   Altitude Data Not Yet Available